The device was thrown from the roof of a nearby building as the car stopped on a routine inquiry.
An explosive device was also thrown at a bus stop in central Nairobi.
A Russian-made explosive device was thrown inside the cinema premises where 140 people were watching a film.
It was unclear when the device was thrown.
Because of their shape, the devices must be thrown with the right hand in order to rotate properly and return.
The device was thrown at an army patrol in Shambles Lane, but failed to explode.
It is then that the explosive device is thrown into the group by police.
Now a rubber hose is inserted and the device is thrown into a campfire.
The device was thrown through the air and detonated by someone nearby, possibly in a passing car, according to the police.
It was stabilised by fins at the rear of the tube, that sprang out when the device was thrown.
